142013457 has 12 divisors (see below), whose sum is σ = 205327824. Its totient is φ = 94584600.

The previous prime is 142013423. The next prime is 142013479. The reversal of 142013457 is 754310241.

142013457 is a `hidden beast` number, since 1 + 4 + 201 + 3 + 457 = 666.

It is not a de Polignac number, because 142013457 - 2⁷ = 142013329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142013457.

It is not an unprimeable number, because it can be changed into a prime (142013407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3082 + ... + 17132.

It is an arithmetic number, because the mean of its divisors is an integer number (17110652).

Almost surely, 2^142013457 is an apocalyptic number.

It is an amenable number.

142013457 is a deficient number, since it is larger than the sum of its proper divisors (63314367).

142013457 is a wasteful number, since it uses less digits than its factorization.

142013457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15180 (or 15177 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 142013457 is about 11916.9399176131. The cubic root of 142013457 is about 521.7268245204.

Adding to 142013457 its reverse (754310241), we get a palindrome (896323698).

The spelling of 142013457 in words is "one hundred forty-two million, thirteen thousand, four hundred fifty-seven".